OFFSET
1,1
COMMENTS
Diagonal of A224204.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..17
EXAMPLE
Some solutions for n=3
..1..3..3....1..0..0....3..0..0....0..3..1....1..1..1....1..3..1....0..0..1
..3..3..1....1..0..0....1..1..1....3..2..1....3..1..0....3..2..0....3..2..1
..3..2..0....0..3..2....1..1..2....3..2..2....2..3..0....3..3..1....2..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 01 2013
STATUS
approved